Top definition
The act of one masturbating so vigorously that the skin tears off the handlers member and they are left stroking only bone.
Dude 1:'What's that noise'
Dude 2:'Oh, Will's just slapping bone...'
Dude 1:'Sounds grim'
by SM130definition April 19, 2011
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Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

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